52240542 has 16 divisors (see below), whose sum is σ = 108084240. Its totient is φ = 16812992.

The previous prime is 52240537. The next prime is 52240543. The reversal of 52240542 is 24504225.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52240543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149943 + ... + 150290.

It is an arithmetic number, because the mean of its divisors is an integer number (6755265).

Almost surely, 2^52240542 is an apocalyptic number.

52240542 is an abundant number, since it is smaller than the sum of its proper divisors (55843698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52240542 is a wasteful number, since it uses less digits than its factorization.

52240542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300267.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 52240542 is about 7227.7618942519. The cubic root of 52240542 is about 373.8257598201.

Adding to 52240542 its reverse (24504225), we get a palindrome (76744767).

The spelling of 52240542 in words is "fifty-two million, two hundred forty thousand, five hundred forty-two".